add after content don’t work

wb_posts_pagination() seems to be a custom function that sends its output directly to the browser with echo or print.

Use a function that returns a string and does not create output to add that string to $content.

The printed output doesn’t wait, it goes into the page the moment you call that function.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)